1. Center of Rehabilitation Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
2. School of Rehabilitation Medicine, Nanjing Medical University, Nanjing, Jiangsu Province, China
3. Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University
4. Spinal Cord Injury Ward, Jiangsu Zhongshan Geriatric Rehabilitation Hospital, Nanjing, China
5. School of Public Health, Nanjing Medical University, Nanjing, Jiangsu Province, China